The accuracy of the environmental noise detection and measurement instrument is the integral average sound level meter of type 2 or above or the environmental noise automatic monitoring instrument, whose performance shall comply with the provisions of GB3785 and GB/T 17181, and shall be checked regularly
DB Base Mus
What is it about?
The accuracy of the environmental noise detection and measurement instrument is the integral average sound level meter of type 2 or above or the environmental noise automatic monitoring instrument, whose performance shall comply with the provisions of GB3785 and GB/T 17181, and shall be checked regularly. Before and after measurement, use the sound calibrator to calibrate the measurement instrument. The deviation should not be greater than 0.5 dB, otherwise the measurement is invalid. The sound calibrator shall meet GB/T 15173's requirements for level 1 or level 2 sound calibrators. The microphone should be equipped with a windshield when measuring
App Screenshots
App Store Description
The accuracy of the environmental noise detection and measurement instrument is the integral average sound level meter of type 2 or above or the environmental noise automatic monitoring instrument, whose performance shall comply with the provisions of GB3785 and GB/T 17181, and shall be checked regularly. Before and after measurement, use the sound calibrator to calibrate the measurement instrument. The deviation should not be greater than 0.5 dB, otherwise the measurement is invalid. The sound calibrator shall meet GB/T 15173's requirements for level 1 or level 2 sound calibrators. The microphone should be equipped with a windshield when measuring
AppAdvice does not own this application and only provides images and links contained in the iTunes Search API, to help our users find the best apps to download. If you are the developer of this app and would like your information removed, please send a request to takedown@appadvice.com and your information will be removed.